If you have seen a black wave in a dream: However, you may need to show more courage for this, releasing the issues that you cannot control can make you feel better. To see a black wave in your dream indicates that your fears will increase day by day and you will have a sad life, suffering and losing your reputation, accepting the necessary treatment for the reduction of fears. Spreading a black wave in a dream is interpreted as inflicting fear on people, suffering and shedding tears.